CBSE Class 10 Science Boards 2020 Question Paper Solved Set C

Access and download CBSE Class 10 Science Boards 2020 Question Paper Solved Set C, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 10 Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Science Question Papers for Class 10

Practicing these Class 10 Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 10 students can improve their speed and accuracy. Download the full CBSE Class 10 Science Boards 2020 Question Paper Solved Set C to begin your self-assessment today.

Science Class 10 Question Paper PDF with Solutions

Section – A
1. How are covalent bonds formed ?
 
2. Define electropositivity.
 
The atomic radii of first group elements are given below :
 
Group-I element     Atomic Radii (pm)
        Na                           86
         K                           231
        Rb                          244
        Cs                          282
 
State the reason behind the observed trend in the above elements. 
 
3. Answer question numbers 3(a) to 3(d) on the basis of your understanding of the following paragraph and the related studies concepts.
 
The Tehri dam is the highest dam in India and one of the highest in the World. The Tehri dam withholds a reservoir of capacity 4.0 km3 and surface area 52 km2. It is used for irrigation, municipal water supply and the generation of 1000 MW of hydro electricity.
 
The Tehri Dam has been the object of protests. Environment activist Shri Sunder Lal Bahuguna led the “Anti Tehri Dam Movement” from 1980s to 2014. The protest was against the displacement of town inhabitants and environmental consequences of the weak ecosystem. The relocation of
more than 1,00,000 people from the area has led to protracted legal battles over resettlement rights and ultimately resulted in the delayed completion of the project.
 
(a) How is hydropower harnessed ? 
 
(b) Define 1 MW. 
 
(c) Mention two disadvantages of constructing Tehri Dam. 
 
(d) What happens when water from great heights is made to fall on blades of turbine ?
 
Please click on below link to download CBSE Class 10 Science Boards 2020 Question Paper Solved Set C.
2012
CBSE Class 10 Science Question Paper 2012 (1)
CBSE Class 10 Science Question Paper 2012 (10)
CBSE Class 10 Science Question Paper 2012 (11)
CBSE Class 10 Science Question Paper 2012 (12)
CBSE Class 10 Science Question Paper 2012 (13)
CBSE Class 10 Science Question Paper 2012 (14)
CBSE Class 10 Science Question Paper 2012 (15)
CBSE Class 10 Science Question Paper 2012 (16)
CBSE Class 10 Science Question Paper 2012 (2)
CBSE Class 10 Science Question Paper 2012 (3)
CBSE Class 10 Science Question Paper 2012 (4)
CBSE Class 10 Science Question Paper 2012 (5)
CBSE Class 10 Science Question Paper 2012 (6)
CBSE Class 10 Science Question Paper 2012 (7)
CBSE Class 10 Science Question Paper 2012 (8)
CBSE Class 10 Science Question Paper 2012 (9)
CBSE Class 10 Science Question Paper SA 2 2012 (1)
CBSE Class 10 Science Question Paper SA 2 2012 (10)
CBSE Class 10 Science Question Paper SA 2 2012 (11)
CBSE Class 10 Science Question Paper SA 2 2012 (12)
CBSE Class 10 Science Question Paper SA 2 2012 (13)
CBSE Class 10 Science Question Paper SA 2 2012 (14)
CBSE Class 10 Science Question Paper SA 2 2012 (15)
CBSE Class 10 Science Question Paper SA 2 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (17)
CBSE Class 10 Science Question Paper SA 2 2012 (2)
CBSE Class 10 Science Question Paper SA 2 2012 (3)
CBSE Class 10 Science Question Paper SA 2 2012 (4)
CBSE Class 10 Science Question Paper SA 2 2012 (5)
CBSE Class 10 Science Question Paper SA 2 2012 (6)
CBSE Class 10 Science Question Paper SA 2 2012 (7)
CBSE Class 10 Science Question Paper SA 2 2012 (8)
CBSE Class 10 Science Question Paper SA 2 2012 (9)
CBSE Class 10 Science Question Paper SA1 2012
CBSE Class 10 Science Question Paper SA2 2012 (1)

CBSE Class 10 Science Boards 2020 Question Paper Solved Set C

To understand the types of questions asked in past examinations, it is very important for Class 10 students to solve the CBSE Class 10 Science Boards 2020 Question Paper Solved Set C provided above. You can easily download these past papers for Class 10 Science in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 10 Science Boards 2020 Question Paper Solved Set C

Regularly practicing CBSE Class 10 Science Boards 2020 Question Paper Solved Set C is the best way to improve your score in Class 10 Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Science paper within the allowed duration.

Benefits of downloading CBSE Class 10 Question Papers

Having the CBSE Class 10 Science Boards 2020 Question Paper Solved Set C in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 10 Science Sample Papers and MCQ tests on studiestoday.com for a complete revision.

Where can I download the official PDF for CBSE Class 10 Science Boards 2020 Question Paper Solved Set C?

The CBSE Class 10 Science Boards 2020 Question Paper Solved Set C is available for download on StudiesToday.com. It includes complete set with all sections so that Class 10 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 10 Science Boards 2020 Question Paper Solved Set C based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 10 Science Boards 2020 Question Paper Solved Set C are prepared by subject matter experts as per official marking scheme. Class 10 students will understand the structure of answers and 'step-marks' methodology Science.

How does solving CBSE Class 10 Science Boards 2020 Question Paper Solved Set C help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 10 Science Boards 2020 Question Paper Solved Set C is important to understand repeat themes and question difficulty levels of Science. It helps Class 10 students to test their time management skills too.

Can I access CBSE Class 10 Science Boards 2020 Question Paper Solved Set C in different languages?

Yes, where applicable, CBSE Class 10 Science Boards 2020 Question Paper Solved Set C is available in both English and Hindi mediums. All students from Class 10 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 10 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 10 Science Boards 2020 Question Paper Solved Set C, are provided free of charge in mobile-friendly PDF.